knowledge
US /ˈnɑː.lɪdʒ/
UK /ˈnɑː.lɪdʒ/
1.
facts, information, and skills acquired by a person through experience or education; the theoretical or practical understanding of a subject.
:
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Her knowledge of ancient history is impressive.
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He has extensive knowledge in computer programming.
2.
awareness or familiarity gained by experience of a fact or situation.
:
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He had no knowledge of the plan.
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The police acted with the full knowledge of the local authorities.